slump

slump (http://definr.com/slump)

     n 1: a noticeable decline in performance: "the team went into a
          slump"; "a sudden slack in output"; "a drop-off in
          attendance"; "a falloff in automobile sales" [syn: slack,
           drop-off, falloff, falling off]
     2: a long-term economic state characterized by unemployment and
        low prices and low levels of trade and investment [syn: depression,
         economic crisis]
     v 1: assume a drooping posture or carriage [syn: slouch]
     2: fall or sink heavily; "He slumped onto the couch"; "My
        spirits sank" [syn: slide down, sink]
     3: fall heavily or suddenly; decline markedly; "The real estate
        market fell off" [syn: fall off, sink]